EXHIBIT 23 Consent of Independent Accountants We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 33-62438) of American Water Works Company, Inc. of our report dated June 21, 1999 relating to the financial statements of the Savings Plan for Employees of American Water Works Company, Inc. and Its Designated Subsidiaries, which appears in this Form 11-K. PRICEWATERHOUSECOOPERS LLP Philadelphia, Pennsylvania June 21, 1999